Sectors in M21
| Sector | Main place | Postcodes |
|---|---|---|
| M21 0 | Manchester | 145 |
| M21 3 | Manchester | 15 |
| M21 7 | Manchester | 197 |
| M21 8 | Manchester | 141 |
| M21 9 | Manchester | 229 |
Places covered by M21
- Manchester Manchester · 726
M21 postcodes: Manchester
M21 is a postcode district in the M area (Manchester). It has 5 sectors and 727 live postcodes, mainly in Manchester (Manchester).